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[PATCH v7 01/17] KVM: Extend struct pi_desc for VT-d Posted-Interrupts

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Extend struct pi_desc for VT-d Posted-Interrupts.

Signed-off-by: Feng Wu <feng.wu@intel.com>
---
 arch/x86/kvm/vmx.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 83b7b5c..271dd70 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -446,8 +446,24 @@ struct nested_vmx {
 /* Posted-Interrupt Descriptor */
 struct pi_desc {
 	u32 pir[8];     /* Posted interrupt requested */
-	u32 control;	/* bit 0 of control is outstanding notification bit */
-	u32 rsvd[7];
+	union {
+		struct {
+				/* bit 256 - Outstanding Notification */
+			u16	on	: 1,
+				/* bit 257 - Suppress Notification */
+				sn	: 1,
+				/* bit 271:258 - Reserved */
+				rsvd_1	: 14;
+				/* bit 279:272 - Notification Vector */
+			u8	nv;
+				/* bit 287:280 - Reserved */
+			u8	rsvd_2;
+				/* bit 319:288 - Notification Destination */
+			u32	ndst;
+		};
+		u64 control;
+	};
+	u32 rsvd[6];
 } __aligned(64);
 
 static bool pi_test_and_set_on(struct pi_desc *pi_desc)
-- 
2.1.0

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Thread

[PATCH v7 00/17] Add VT-d Posted-Interrupts support Feng Wu <feng.wu@intel.com> - 2015-08-25 11:10 +0200
  [PATCH v7 02/17] KVM: Add some helper functions for Posted-Interrupts Feng Wu <feng.wu@intel.com> - 2015-08-25 11:10 +0200
  [PATCH v7 08/17] vfio: Select IRQ_BYPASS_MANAGER for vfio PCI devices Feng Wu <feng.wu@intel.com> - 2015-08-25 11:10 +0200
  [PATCH v7 11/17] KVM: Define two weak arch callbacks for irq bypass manager Feng Wu <feng.wu@intel.com> - 2015-08-25 11:20 +0200
  [PATCH v7 16/17] KVM: Warn if 'SN' is set during posting interrupts by software Feng Wu <feng.wu@intel.com> - 2015-08-25 11:20 +0200
  [PATCH v7 14/17] KVM: Update Posted-Interrupts Descriptor when vCPU is preempted Feng Wu <feng.wu@intel.com> - 2015-08-25 11:20 +0200
  [PATCH v7 15/17] KVM: Update Posted-Interrupts Descriptor when vCPU is blocked Feng Wu <feng.wu@intel.com> - 2015-08-25 11:20 +0200
  [PATCH v7 10/17] KVM: x86: Update IRTE for posted-interrupts Feng Wu <feng.wu@intel.com> - 2015-08-25 11:20 +0200
    Re: [PATCH v7 10/17] KVM: x86: Update IRTE for posted-interrupts Alex Williamson <alex.williamson@redhat.com> - 2015-08-25 22:00 +0200
      RE: [PATCH v7 10/17] KVM: x86: Update IRTE for posted-interrupts "Wu, Feng" <feng.wu@intel.com> - 2015-08-26 02:40 +0200
  [PATCH v7 12/17] KVM: Implement IRQ bypass consumer callbacks for x86 Feng Wu <feng.wu@intel.com> - 2015-08-25 11:20 +0200
  [PATCH v7 13/17] KVM: Add an arch specific hooks in 'struct kvm_kernel_irqfd' Feng Wu <feng.wu@intel.com> - 2015-08-25 11:20 +0200
  [PATCH v7 17/17] iommu/vt-d: Add a command line parameter for VT-d posted-interrupts Feng Wu <feng.wu@intel.com> - 2015-08-25 11:20 +0200
  [PATCH v7 07/17] KVM: make kvm_set_msi_irq() public Feng Wu <feng.wu@intel.com> - 2015-08-25 11:30 +0200
  [PATCH v7 09/17] vfio: Register/unregister irq_bypass_producer Feng Wu <feng.wu@intel.com> - 2015-08-25 11:30 +0200
  [PATCH v7 01/17] KVM: Extend struct pi_desc for VT-d Posted-Interrupts Feng Wu <feng.wu@intel.com> - 2015-08-25 11:30 +0200
  [PATCH v7 03/17] KVM: Define a new interface kvm_intr_is_single_vcpu() Feng Wu <feng.wu@intel.com> - 2015-08-25 11:30 +0200
  [PATCH v7 05/17] KVM: Add interfaces to control PI outside vmx Feng Wu <feng.wu@intel.com> - 2015-08-25 11:30 +0200
  [PATCH v7 06/17] KVM: Make struct kvm_irq_routing_table accessible Feng Wu <feng.wu@intel.com> - 2015-08-25 11:30 +0200

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